linux/sound/soc/codecs/rt298.c
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   1/*
   2 * rt298.c  --  RT298 ALSA SoC audio codec driver
   3 *
   4 * Copyright 2015 Realtek Semiconductor Corp.
   5 * Author: Bard Liao <bardliao@realtek.com>
   6 *
   7 * This program is free software; you can redistribute it and/or modify
   8 * it under the terms of the GNU General Public License version 2 as
   9 * published by the Free Software Foundation.
  10 */
  11
  12#include <linux/module.h>
  13#include <linux/moduleparam.h>
  14#include <linux/init.h>
  15#include <linux/delay.h>
  16#include <linux/pm.h>
  17#include <linux/i2c.h>
  18#include <linux/platform_device.h>
  19#include <linux/spi/spi.h>
  20#include <linux/dmi.h>
  21#include <linux/acpi.h>
  22#include <sound/core.h>
  23#include <sound/pcm.h>
  24#include <sound/pcm_params.h>
  25#include <sound/soc.h>
  26#include <sound/soc-dapm.h>
  27#include <sound/initval.h>
  28#include <sound/tlv.h>
  29#include <sound/jack.h>
  30#include <linux/workqueue.h>
  31#include <sound/rt298.h>
  32
  33#include "rl6347a.h"
  34#include "rt298.h"
  35
  36#define RT298_VENDOR_ID 0x10ec0298
  37
  38struct rt298_priv {
  39        struct reg_default *index_cache;
  40        int index_cache_size;
  41        struct regmap *regmap;
  42        struct snd_soc_codec *codec;
  43        struct rt298_platform_data pdata;
  44        struct i2c_client *i2c;
  45        struct snd_soc_jack *jack;
  46        struct delayed_work jack_detect_work;
  47        int sys_clk;
  48        int clk_id;
  49        int is_hp_in;
  50};
  51
  52static const struct reg_default rt298_index_def[] = {
  53        { 0x01, 0xa5a8 },
  54        { 0x02, 0x8e95 },
  55        { 0x03, 0x0002 },
  56        { 0x04, 0xaf67 },
  57        { 0x08, 0x200f },
  58        { 0x09, 0xd010 },
  59        { 0x0a, 0x0100 },
  60        { 0x0b, 0x0000 },
  61        { 0x0d, 0x2800 },
  62        { 0x0f, 0x0022 },
  63        { 0x19, 0x0217 },
  64        { 0x20, 0x0020 },
  65        { 0x33, 0x0208 },
  66        { 0x46, 0x0300 },
  67        { 0x49, 0x4004 },
  68        { 0x4f, 0x50c9 },
  69        { 0x50, 0x3000 },
  70        { 0x63, 0x1b02 },
  71        { 0x67, 0x1111 },
  72        { 0x68, 0x1016 },
  73        { 0x69, 0x273f },
  74};
  75#define INDEX_CACHE_SIZE ARRAY_SIZE(rt298_index_def)
  76
  77static const struct reg_default rt298_reg[] = {
  78        { 0x00170500, 0x00000400 },
  79        { 0x00220000, 0x00000031 },
  80        { 0x00239000, 0x0000007f },
  81        { 0x0023a000, 0x0000007f },
  82        { 0x00270500, 0x00000400 },
  83        { 0x00370500, 0x00000400 },
  84        { 0x00870500, 0x00000400 },
  85        { 0x00920000, 0x00000031 },
  86        { 0x00935000, 0x000000c3 },
  87        { 0x00936000, 0x000000c3 },
  88        { 0x00970500, 0x00000400 },
  89        { 0x00b37000, 0x00000097 },
  90        { 0x00b37200, 0x00000097 },
  91        { 0x00b37300, 0x00000097 },
  92        { 0x00c37000, 0x00000000 },
  93        { 0x00c37100, 0x00000080 },
  94        { 0x01270500, 0x00000400 },
  95        { 0x01370500, 0x00000400 },
  96        { 0x01371f00, 0x411111f0 },
  97        { 0x01439000, 0x00000080 },
  98        { 0x0143a000, 0x00000080 },
  99        { 0x01470700, 0x00000000 },
 100        { 0x01470500, 0x00000400 },
 101        { 0x01470c00, 0x00000000 },
 102        { 0x01470100, 0x00000000 },
 103        { 0x01837000, 0x00000000 },
 104        { 0x01870500, 0x00000400 },
 105        { 0x02050000, 0x00000000 },
 106        { 0x02139000, 0x00000080 },
 107        { 0x0213a000, 0x00000080 },
 108        { 0x02170100, 0x00000000 },
 109        { 0x02170500, 0x00000400 },
 110        { 0x02170700, 0x00000000 },
 111        { 0x02270100, 0x00000000 },
 112        { 0x02370100, 0x00000000 },
 113        { 0x01870700, 0x00000020 },
 114        { 0x00830000, 0x000000c3 },
 115        { 0x00930000, 0x000000c3 },
 116        { 0x01270700, 0x00000000 },
 117};
 118
 119static bool rt298_volatile_register(struct device *dev, unsigned int reg)
 120{
 121        switch (reg) {
 122        case 0 ... 0xff:
 123        case RT298_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID):
 124        case RT298_GET_HP_SENSE:
 125        case RT298_GET_MIC1_SENSE:
 126        case RT298_PROC_COEF:
 127        case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_MIC1, 0):
 128        case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_SPK_OUT, 0):
 129        case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_HP_OUT, 0):
 130                return true;
 131        default:
 132                return false;
 133        }
 134
 135
 136}
 137
 138static bool rt298_readable_register(struct device *dev, unsigned int reg)
 139{
 140        switch (reg) {
 141        case 0 ... 0xff:
 142        case RT298_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID):
 143        case RT298_GET_HP_SENSE:
 144        case RT298_GET_MIC1_SENSE:
 145        case RT298_SET_AUDIO_POWER:
 146        case RT298_SET_HPO_POWER:
 147        case RT298_SET_SPK_POWER:
 148        case RT298_SET_DMIC1_POWER:
 149        case RT298_SPK_MUX:
 150        case RT298_HPO_MUX:
 151        case RT298_ADC0_MUX:
 152        case RT298_ADC1_MUX:
 153        case RT298_SET_MIC1:
 154        case RT298_SET_PIN_HPO:
 155        case RT298_SET_PIN_SPK:
 156        case RT298_SET_PIN_DMIC1:
 157        case RT298_SPK_EAPD:
 158        case RT298_SET_AMP_GAIN_HPO:
 159        case RT298_SET_DMIC2_DEFAULT:
 160        case RT298_DACL_GAIN:
 161        case RT298_DACR_GAIN:
 162        case RT298_ADCL_GAIN:
 163        case RT298_ADCR_GAIN:
 164        case RT298_MIC_GAIN:
 165        case RT298_SPOL_GAIN:
 166        case RT298_SPOR_GAIN:
 167        case RT298_HPOL_GAIN:
 168        case RT298_HPOR_GAIN:
 169        case RT298_F_DAC_SWITCH:
 170        case RT298_F_RECMIX_SWITCH:
 171        case RT298_REC_MIC_SWITCH:
 172        case RT298_REC_I2S_SWITCH:
 173        case RT298_REC_LINE_SWITCH:
 174        case RT298_REC_BEEP_SWITCH:
 175        case RT298_DAC_FORMAT:
 176        case RT298_ADC_FORMAT:
 177        case RT298_COEF_INDEX:
 178        case RT298_PROC_COEF:
 179        case RT298_SET_AMP_GAIN_ADC_IN1:
 180        case RT298_SET_AMP_GAIN_ADC_IN2:
 181        case RT298_SET_POWER(RT298_DAC_OUT1):
 182        case RT298_SET_POWER(RT298_DAC_OUT2):
 183        case RT298_SET_POWER(RT298_ADC_IN1):
 184        case RT298_SET_POWER(RT298_ADC_IN2):
 185        case RT298_SET_POWER(RT298_DMIC2):
 186        case RT298_SET_POWER(RT298_MIC1):
 187        case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_MIC1, 0):
 188        case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_SPK_OUT, 0):
 189        case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_HP_OUT, 0):
 190                return true;
 191        default:
 192                return false;
 193        }
 194}
 195
 196#ifdef CONFIG_PM
 197static void rt298_index_sync(struct snd_soc_codec *codec)
 198{
 199        struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
 200        int i;
 201
 202        for (i = 0; i < INDEX_CACHE_SIZE; i++) {
 203                snd_soc_write(codec, rt298->index_cache[i].reg,
 204                                  rt298->index_cache[i].def);
 205        }
 206}
 207#endif
 208
 209static int rt298_support_power_controls[] = {
 210        RT298_DAC_OUT1,
 211        RT298_DAC_OUT2,
 212        RT298_ADC_IN1,
 213        RT298_ADC_IN2,
 214        RT298_MIC1,
 215        RT298_DMIC1,
 216        RT298_DMIC2,
 217        RT298_SPK_OUT,
 218        RT298_HP_OUT,
 219};
 220#define RT298_POWER_REG_LEN ARRAY_SIZE(rt298_support_power_controls)
 221
 222static int rt298_jack_detect(struct rt298_priv *rt298, bool *hp, bool *mic)
 223{
 224        struct snd_soc_dapm_context *dapm;
 225        unsigned int val, buf;
 226
 227        *hp = false;
 228        *mic = false;
 229
 230        if (!rt298->codec)
 231                return -EINVAL;
 232
 233        dapm = snd_soc_codec_get_dapm(rt298->codec);
 234
 235        if (rt298->pdata.cbj_en) {
 236                regmap_read(rt298->regmap, RT298_GET_HP_SENSE, &buf);
 237                *hp = buf & 0x80000000;
 238                if (*hp == rt298->is_hp_in)
 239                        return -1;
 240                rt298->is_hp_in = *hp;
 241                if (*hp) {
 242                        /* power on HV,VERF */
 243                        regmap_update_bits(rt298->regmap,
 244                                RT298_DC_GAIN, 0x200, 0x200);
 245
 246                        snd_soc_dapm_force_enable_pin(dapm, "HV");
 247                        snd_soc_dapm_force_enable_pin(dapm, "VREF");
 248                        /* power LDO1 */
 249                        snd_soc_dapm_force_enable_pin(dapm, "LDO1");
 250                        snd_soc_dapm_sync(dapm);
 251
 252                        regmap_update_bits(rt298->regmap,
 253                                RT298_POWER_CTRL1, 0x1001, 0);
 254                        regmap_update_bits(rt298->regmap,
 255                                RT298_POWER_CTRL2, 0x4, 0x4);
 256
 257                        regmap_write(rt298->regmap, RT298_SET_MIC1, 0x24);
 258                        msleep(50);
 259
 260                        regmap_update_bits(rt298->regmap,
 261                                RT298_CBJ_CTRL1, 0xfcc0, 0xd400);
 262                        msleep(300);
 263                        regmap_read(rt298->regmap, RT298_CBJ_CTRL2, &val);
 264
 265                        if (0x0070 == (val & 0x0070)) {
 266                                *mic = true;
 267                        } else {
 268                                regmap_update_bits(rt298->regmap,
 269                                        RT298_CBJ_CTRL1, 0xfcc0, 0xe400);
 270                                msleep(300);
 271                                regmap_read(rt298->regmap,
 272                                        RT298_CBJ_CTRL2, &val);
 273                                if (0x0070 == (val & 0x0070))
 274                                        *mic = true;
 275                                else
 276                                        *mic = false;
 277                        }
 278                        regmap_update_bits(rt298->regmap,
 279                                RT298_DC_GAIN, 0x200, 0x0);
 280
 281                } else {
 282                        *mic = false;
 283                        regmap_write(rt298->regmap, RT298_SET_MIC1, 0x20);
 284                        regmap_update_bits(rt298->regmap,
 285                                RT298_CBJ_CTRL1, 0x0400, 0x0000);
 286                }
 287        } else {
 288                regmap_read(rt298->regmap, RT298_GET_HP_SENSE, &buf);
 289                *hp = buf & 0x80000000;
 290                regmap_read(rt298->regmap, RT298_GET_MIC1_SENSE, &buf);
 291                *mic = buf & 0x80000000;
 292        }
 293
 294        snd_soc_dapm_disable_pin(dapm, "HV");
 295        snd_soc_dapm_disable_pin(dapm, "VREF");
 296        if (!*hp)
 297                snd_soc_dapm_disable_pin(dapm, "LDO1");
 298        snd_soc_dapm_sync(dapm);
 299
 300        pr_debug("*hp = %d *mic = %d\n", *hp, *mic);
 301
 302        return 0;
 303}
 304
 305static void rt298_jack_detect_work(struct work_struct *work)
 306{
 307        struct rt298_priv *rt298 =
 308                container_of(work, struct rt298_priv, jack_detect_work.work);
 309        int status = 0;
 310        bool hp = false;
 311        bool mic = false;
 312
 313        if (rt298_jack_detect(rt298, &hp, &mic) < 0)
 314                return;
 315
 316        if (hp == true)
 317                status |= SND_JACK_HEADPHONE;
 318
 319        if (mic == true)
 320                status |= SND_JACK_MICROPHONE;
 321
 322        snd_soc_jack_report(rt298->jack, status,
 323                SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
 324}
 325
 326int rt298_mic_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack)
 327{
 328        struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
 329        struct snd_soc_dapm_context *dapm;
 330        bool hp = false;
 331        bool mic = false;
 332        int status = 0;
 333
 334        /* If jack in NULL, disable HS jack */
 335        if (!jack) {
 336                regmap_update_bits(rt298->regmap, RT298_IRQ_CTRL, 0x2, 0x0);
 337                dapm = snd_soc_codec_get_dapm(codec);
 338                snd_soc_dapm_disable_pin(dapm, "LDO1");
 339                snd_soc_dapm_sync(dapm);
 340                return 0;
 341        }
 342
 343        rt298->jack = jack;
 344        regmap_update_bits(rt298->regmap, RT298_IRQ_CTRL, 0x2, 0x2);
 345
 346        rt298_jack_detect(rt298, &hp, &mic);
 347        if (hp == true)
 348                status |= SND_JACK_HEADPHONE;
 349
 350        if (mic == true)
 351                status |= SND_JACK_MICROPHONE;
 352
 353        snd_soc_jack_report(rt298->jack, status,
 354                SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
 355
 356        return 0;
 357}
 358EXPORT_SYMBOL_GPL(rt298_mic_detect);
 359
 360static int is_mclk_mode(struct snd_soc_dapm_widget *source,
 361                         struct snd_soc_dapm_widget *sink)
 362{
 363        struct snd_soc_codec *codec = snd_soc_dapm_to_codec(source->dapm);
 364        struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
 365
 366        if (rt298->clk_id == RT298_SCLK_S_MCLK)
 367                return 1;
 368        else
 369                return 0;
 370}
 371
 372static const DECLARE_TLV_DB_SCALE(out_vol_tlv, -6350, 50, 0);
 373static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, 0, 1000, 0);
 374
 375static const struct snd_kcontrol_new rt298_snd_controls[] = {
 376        SOC_DOUBLE_R_TLV("DAC0 Playback Volume", RT298_DACL_GAIN,
 377                            RT298_DACR_GAIN, 0, 0x7f, 0, out_vol_tlv),
 378        SOC_DOUBLE_R_TLV("ADC0 Capture Volume", RT298_ADCL_GAIN,
 379                            RT298_ADCR_GAIN, 0, 0x7f, 0, out_vol_tlv),
 380        SOC_SINGLE_TLV("AMIC Volume", RT298_MIC_GAIN,
 381                            0, 0x3, 0, mic_vol_tlv),
 382        SOC_DOUBLE_R("Speaker Playback Switch", RT298_SPOL_GAIN,
 383                            RT298_SPOR_GAIN, RT298_MUTE_SFT, 1, 1),
 384};
 385
 386/* Digital Mixer */
 387static const struct snd_kcontrol_new rt298_front_mix[] = {
 388        SOC_DAPM_SINGLE("DAC Switch",  RT298_F_DAC_SWITCH,
 389                        RT298_MUTE_SFT, 1, 1),
 390        SOC_DAPM_SINGLE("RECMIX Switch", RT298_F_RECMIX_SWITCH,
 391                        RT298_MUTE_SFT, 1, 1),
 392};
 393
 394/* Analog Input Mixer */
 395static const struct snd_kcontrol_new rt298_rec_mix[] = {
 396        SOC_DAPM_SINGLE("Mic1 Switch", RT298_REC_MIC_SWITCH,
 397                        RT298_MUTE_SFT, 1, 1),
 398        SOC_DAPM_SINGLE("I2S Switch", RT298_REC_I2S_SWITCH,
 399                        RT298_MUTE_SFT, 1, 1),
 400        SOC_DAPM_SINGLE("Line1 Switch", RT298_REC_LINE_SWITCH,
 401                        RT298_MUTE_SFT, 1, 1),
 402        SOC_DAPM_SINGLE("Beep Switch", RT298_REC_BEEP_SWITCH,
 403                        RT298_MUTE_SFT, 1, 1),
 404};
 405
 406static const struct snd_kcontrol_new spo_enable_control =
 407        SOC_DAPM_SINGLE("Switch", RT298_SET_PIN_SPK,
 408                        RT298_SET_PIN_SFT, 1, 0);
 409
 410static const struct snd_kcontrol_new hpol_enable_control =
 411        SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT298_HPOL_GAIN,
 412                        RT298_MUTE_SFT, 1, 1);
 413
 414static const struct snd_kcontrol_new hpor_enable_control =
 415        SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT298_HPOR_GAIN,
 416                        RT298_MUTE_SFT, 1, 1);
 417
 418/* ADC0 source */
 419static const char * const rt298_adc_src[] = {
 420        "Mic", "RECMIX", "Dmic"
 421};
 422
 423static const int rt298_adc_values[] = {
 424        0, 4, 5,
 425};
 426
 427static SOC_VALUE_ENUM_SINGLE_DECL(
 428        rt298_adc0_enum, RT298_ADC0_MUX, RT298_ADC_SEL_SFT,
 429        RT298_ADC_SEL_MASK, rt298_adc_src, rt298_adc_values);
 430
 431static const struct snd_kcontrol_new rt298_adc0_mux =
 432        SOC_DAPM_ENUM("ADC 0 source", rt298_adc0_enum);
 433
 434static SOC_VALUE_ENUM_SINGLE_DECL(
 435        rt298_adc1_enum, RT298_ADC1_MUX, RT298_ADC_SEL_SFT,
 436        RT298_ADC_SEL_MASK, rt298_adc_src, rt298_adc_values);
 437
 438static const struct snd_kcontrol_new rt298_adc1_mux =
 439        SOC_DAPM_ENUM("ADC 1 source", rt298_adc1_enum);
 440
 441static const char * const rt298_dac_src[] = {
 442        "Front", "Surround"
 443};
 444/* HP-OUT source */
 445static SOC_ENUM_SINGLE_DECL(rt298_hpo_enum, RT298_HPO_MUX,
 446                                0, rt298_dac_src);
 447
 448static const struct snd_kcontrol_new rt298_hpo_mux =
 449SOC_DAPM_ENUM("HPO source", rt298_hpo_enum);
 450
 451/* SPK-OUT source */
 452static SOC_ENUM_SINGLE_DECL(rt298_spo_enum, RT298_SPK_MUX,
 453                                0, rt298_dac_src);
 454
 455static const struct snd_kcontrol_new rt298_spo_mux =
 456SOC_DAPM_ENUM("SPO source", rt298_spo_enum);
 457
 458static int rt298_spk_event(struct snd_soc_dapm_widget *w,
 459                            struct snd_kcontrol *kcontrol, int event)
 460{
 461        struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
 462
 463        switch (event) {
 464        case SND_SOC_DAPM_POST_PMU:
 465                snd_soc_write(codec,
 466                        RT298_SPK_EAPD, RT298_SET_EAPD_HIGH);
 467                break;
 468        case SND_SOC_DAPM_PRE_PMD:
 469                snd_soc_write(codec,
 470                        RT298_SPK_EAPD, RT298_SET_EAPD_LOW);
 471                break;
 472
 473        default:
 474                return 0;
 475        }
 476
 477        return 0;
 478}
 479
 480static int rt298_set_dmic1_event(struct snd_soc_dapm_widget *w,
 481                                  struct snd_kcontrol *kcontrol, int event)
 482{
 483        struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
 484
 485        switch (event) {
 486        case SND_SOC_DAPM_POST_PMU:
 487                snd_soc_write(codec, RT298_SET_PIN_DMIC1, 0x20);
 488                break;
 489        case SND_SOC_DAPM_PRE_PMD:
 490                snd_soc_write(codec, RT298_SET_PIN_DMIC1, 0);
 491                break;
 492        default:
 493                return 0;
 494        }
 495
 496        return 0;
 497}
 498
 499static int rt298_adc_event(struct snd_soc_dapm_widget *w,
 500                             struct snd_kcontrol *kcontrol, int event)
 501{
 502        struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
 503        unsigned int nid;
 504
 505        nid = (w->reg >> 20) & 0xff;
 506
 507        switch (event) {
 508        case SND_SOC_DAPM_POST_PMU:
 509                snd_soc_update_bits(codec,
 510                        VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, nid, 0),
 511                        0x7080, 0x7000);
 512                 /* If MCLK doesn't exist, reset AD filter */
 513                if (!(snd_soc_read(codec, RT298_VAD_CTRL) & 0x200)) {
 514                        pr_info("NO MCLK\n");
 515                        switch (nid) {
 516                        case RT298_ADC_IN1:
 517                                snd_soc_update_bits(codec,
 518                                        RT298_D_FILTER_CTRL, 0x2, 0x2);
 519                                mdelay(10);
 520                                snd_soc_update_bits(codec,
 521                                        RT298_D_FILTER_CTRL, 0x2, 0x0);
 522                                break;
 523                        case RT298_ADC_IN2:
 524                                snd_soc_update_bits(codec,
 525                                        RT298_D_FILTER_CTRL, 0x4, 0x4);
 526                                mdelay(10);
 527                                snd_soc_update_bits(codec,
 528                                        RT298_D_FILTER_CTRL, 0x4, 0x0);
 529                                break;
 530                        }
 531                }
 532                break;
 533        case SND_SOC_DAPM_PRE_PMD:
 534                snd_soc_update_bits(codec,
 535                        VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, nid, 0),
 536                        0x7080, 0x7080);
 537                break;
 538        default:
 539                return 0;
 540        }
 541
 542        return 0;
 543}
 544
 545static int rt298_mic1_event(struct snd_soc_dapm_widget *w,
 546                             struct snd_kcontrol *kcontrol, int event)
 547{
 548        struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
 549
 550        switch (event) {
 551        case SND_SOC_DAPM_PRE_PMU:
 552                snd_soc_update_bits(codec,
 553                        RT298_A_BIAS_CTRL3, 0xc000, 0x8000);
 554                snd_soc_update_bits(codec,
 555                        RT298_A_BIAS_CTRL2, 0xc000, 0x8000);
 556                break;
 557        case SND_SOC_DAPM_POST_PMD:
 558                snd_soc_update_bits(codec,
 559                        RT298_A_BIAS_CTRL3, 0xc000, 0x0000);
 560                snd_soc_update_bits(codec,
 561                        RT298_A_BIAS_CTRL2, 0xc000, 0x0000);
 562                break;
 563        default:
 564                return 0;
 565        }
 566
 567        return 0;
 568}
 569
 570static const struct snd_soc_dapm_widget rt298_dapm_widgets[] = {
 571
 572        SND_SOC_DAPM_SUPPLY_S("HV", 1, RT298_POWER_CTRL1,
 573                12, 1, NULL, 0),
 574        SND_SOC_DAPM_SUPPLY("VREF", RT298_POWER_CTRL1,
 575                0, 1, NULL, 0),
 576        SND_SOC_DAPM_SUPPLY_S("BG_MBIAS", 1, RT298_POWER_CTRL2,
 577                1, 0, NULL, 0),
 578        SND_SOC_DAPM_SUPPLY_S("LDO1", 1, RT298_POWER_CTRL2,
 579                2, 0, NULL, 0),
 580        SND_SOC_DAPM_SUPPLY_S("LDO2", 1, RT298_POWER_CTRL2,
 581                3, 0, NULL, 0),
 582        SND_SOC_DAPM_SUPPLY_S("VREF1", 1, RT298_POWER_CTRL2,
 583                4, 1, NULL, 0),
 584        SND_SOC_DAPM_SUPPLY_S("LV", 2, RT298_POWER_CTRL1,
 585                13, 1, NULL, 0),
 586
 587
 588        SND_SOC_DAPM_SUPPLY("MCLK MODE", RT298_PLL_CTRL1,
 589                5, 0, NULL, 0),
 590        SND_SOC_DAPM_SUPPLY("MIC1 Input Buffer", SND_SOC_NOPM,
 591                0, 0, rt298_mic1_event, SND_SOC_DAPM_PRE_PMU |
 592                SND_SOC_DAPM_POST_PMD),
 593
 594        /* Input Lines */
 595        SND_SOC_DAPM_INPUT("DMIC1 Pin"),
 596        SND_SOC_DAPM_INPUT("DMIC2 Pin"),
 597        SND_SOC_DAPM_INPUT("MIC1"),
 598        SND_SOC_DAPM_INPUT("LINE1"),
 599        SND_SOC_DAPM_INPUT("Beep"),
 600
 601        /* DMIC */
 602        SND_SOC_DAPM_PGA_E("DMIC1", RT298_SET_POWER(RT298_DMIC1), 0, 1,
 603                NULL, 0, rt298_set_dmic1_event,
 604                SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
 605        SND_SOC_DAPM_PGA("DMIC2", RT298_SET_POWER(RT298_DMIC2), 0, 1,
 606                NULL, 0),
 607        SND_SOC_DAPM_SUPPLY("DMIC Receiver", SND_SOC_NOPM,
 608                0, 0, NULL, 0),
 609
 610        /* REC Mixer */
 611        SND_SOC_DAPM_MIXER("RECMIX", SND_SOC_NOPM, 0, 0,
 612                rt298_rec_mix, ARRAY_SIZE(rt298_rec_mix)),
 613
 614        /* ADCs */
 615        SND_SOC_DAPM_ADC("ADC 0", NULL, SND_SOC_NOPM, 0, 0),
 616        SND_SOC_DAPM_ADC("ADC 1", NULL, SND_SOC_NOPM, 0, 0),
 617
 618        /* ADC Mux */
 619        SND_SOC_DAPM_MUX_E("ADC 0 Mux", RT298_SET_POWER(RT298_ADC_IN1), 0, 1,
 620                &rt298_adc0_mux, rt298_adc_event, SND_SOC_DAPM_PRE_PMD |
 621                SND_SOC_DAPM_POST_PMU),
 622        SND_SOC_DAPM_MUX_E("ADC 1 Mux", RT298_SET_POWER(RT298_ADC_IN2), 0, 1,
 623                &rt298_adc1_mux, rt298_adc_event, SND_SOC_DAPM_PRE_PMD |
 624                SND_SOC_DAPM_POST_PMU),
 625
 626        /* Audio Interface */
 627        SND_SOC_DAPM_AIF_IN("AIF1RX", "AIF1 Playback", 0, SND_SOC_NOPM, 0, 0),
 628        SND_SOC_DAPM_AIF_OUT("AIF1TX", "AIF1 Capture", 0, SND_SOC_NOPM, 0, 0),
 629        SND_SOC_DAPM_AIF_IN("AIF2RX", "AIF2 Playback", 0, SND_SOC_NOPM, 0, 0),
 630        SND_SOC_DAPM_AIF_OUT("AIF2TX", "AIF2 Capture", 0, SND_SOC_NOPM, 0, 0),
 631
 632        /* Output Side */
 633        /* DACs */
 634        SND_SOC_DAPM_DAC("DAC 0", NULL, SND_SOC_NOPM, 0, 0),
 635        SND_SOC_DAPM_DAC("DAC 1", NULL, SND_SOC_NOPM, 0, 0),
 636
 637        /* Output Mux */
 638        SND_SOC_DAPM_MUX("SPK Mux", SND_SOC_NOPM, 0, 0, &rt298_spo_mux),
 639        SND_SOC_DAPM_MUX("HPO Mux", SND_SOC_NOPM, 0, 0, &rt298_hpo_mux),
 640
 641        SND_SOC_DAPM_SUPPLY("HP Power", RT298_SET_PIN_HPO,
 642                RT298_SET_PIN_SFT, 0, NULL, 0),
 643
 644        /* Output Mixer */
 645        SND_SOC_DAPM_MIXER("Front", RT298_SET_POWER(RT298_DAC_OUT1), 0, 1,
 646                        rt298_front_mix, ARRAY_SIZE(rt298_front_mix)),
 647        SND_SOC_DAPM_PGA("Surround", RT298_SET_POWER(RT298_DAC_OUT2), 0, 1,
 648                        NULL, 0),
 649
 650        /* Output Pga */
 651        SND_SOC_DAPM_SWITCH_E("SPO", SND_SOC_NOPM, 0, 0,
 652                &spo_enable_control, rt298_spk_event,
 653                SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
 654        SND_SOC_DAPM_SWITCH("HPO L", SND_SOC_NOPM, 0, 0,
 655                &hpol_enable_control),
 656        SND_SOC_DAPM_SWITCH("HPO R", SND_SOC_NOPM, 0, 0,
 657                &hpor_enable_control),
 658
 659        /* Output Lines */
 660        SND_SOC_DAPM_OUTPUT("SPOL"),
 661        SND_SOC_DAPM_OUTPUT("SPOR"),
 662        SND_SOC_DAPM_OUTPUT("HPO Pin"),
 663        SND_SOC_DAPM_OUTPUT("SPDIF"),
 664};
 665
 666static const struct snd_soc_dapm_route rt298_dapm_routes[] = {
 667
 668        {"ADC 0", NULL, "MCLK MODE", is_mclk_mode},
 669        {"ADC 1", NULL, "MCLK MODE", is_mclk_mode},
 670        {"Front", NULL, "MCLK MODE", is_mclk_mode},
 671        {"Surround", NULL, "MCLK MODE", is_mclk_mode},
 672
 673        {"HP Power", NULL, "LDO1"},
 674        {"HP Power", NULL, "LDO2"},
 675        {"HP Power", NULL, "LV"},
 676        {"HP Power", NULL, "VREF1"},
 677        {"HP Power", NULL, "BG_MBIAS"},
 678
 679        {"MIC1", NULL, "LDO1"},
 680        {"MIC1", NULL, "LDO2"},
 681        {"MIC1", NULL, "HV"},
 682        {"MIC1", NULL, "LV"},
 683        {"MIC1", NULL, "VREF"},
 684        {"MIC1", NULL, "VREF1"},
 685        {"MIC1", NULL, "BG_MBIAS"},
 686        {"MIC1", NULL, "MIC1 Input Buffer"},
 687
 688        {"SPO", NULL, "LDO1"},
 689        {"SPO", NULL, "LDO2"},
 690        {"SPO", NULL, "HV"},
 691        {"SPO", NULL, "LV"},
 692        {"SPO", NULL, "VREF"},
 693        {"SPO", NULL, "VREF1"},
 694        {"SPO", NULL, "BG_MBIAS"},
 695
 696        {"DMIC1", NULL, "DMIC1 Pin"},
 697        {"DMIC2", NULL, "DMIC2 Pin"},
 698        {"DMIC1", NULL, "DMIC Receiver"},
 699        {"DMIC2", NULL, "DMIC Receiver"},
 700
 701        {"RECMIX", "Beep Switch", "Beep"},
 702        {"RECMIX", "Line1 Switch", "LINE1"},
 703        {"RECMIX", "Mic1 Switch", "MIC1"},
 704
 705        {"ADC 0 Mux", "Dmic", "DMIC1"},
 706        {"ADC 0 Mux", "RECMIX", "RECMIX"},
 707        {"ADC 0 Mux", "Mic", "MIC1"},
 708        {"ADC 1 Mux", "Dmic", "DMIC2"},
 709        {"ADC 1 Mux", "RECMIX", "RECMIX"},
 710        {"ADC 1 Mux", "Mic", "MIC1"},
 711
 712        {"ADC 0", NULL, "ADC 0 Mux"},
 713        {"ADC 1", NULL, "ADC 1 Mux"},
 714
 715        {"AIF1TX", NULL, "ADC 0"},
 716        {"AIF2TX", NULL, "ADC 1"},
 717
 718        {"DAC 0", NULL, "AIF1RX"},
 719        {"DAC 1", NULL, "AIF2RX"},
 720
 721        {"Front", "DAC Switch", "DAC 0"},
 722        {"Front", "RECMIX Switch", "RECMIX"},
 723
 724        {"Surround", NULL, "DAC 1"},
 725
 726        {"SPK Mux", "Front", "Front"},
 727        {"SPK Mux", "Surround", "Surround"},
 728
 729        {"HPO Mux", "Front", "Front"},
 730        {"HPO Mux", "Surround", "Surround"},
 731
 732        {"SPO", "Switch", "SPK Mux"},
 733        {"HPO L", "Switch", "HPO Mux"},
 734        {"HPO R", "Switch", "HPO Mux"},
 735        {"HPO L", NULL, "HP Power"},
 736        {"HPO R", NULL, "HP Power"},
 737
 738        {"SPOL", NULL, "SPO"},
 739        {"SPOR", NULL, "SPO"},
 740        {"HPO Pin", NULL, "HPO L"},
 741        {"HPO Pin", NULL, "HPO R"},
 742};
 743
 744static int rt298_hw_params(struct snd_pcm_substream *substream,
 745                            struct snd_pcm_hw_params *params,
 746                            struct snd_soc_dai *dai)
 747{
 748        struct snd_soc_codec *codec = dai->codec;
 749        struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
 750        unsigned int val = 0;
 751        int d_len_code;
 752
 753        switch (params_rate(params)) {
 754        /* bit 14 0:48K 1:44.1K */
 755        case 44100:
 756        case 48000:
 757                break;
 758        default:
 759                dev_err(codec->dev, "Unsupported sample rate %d\n",
 760                                        params_rate(params));
 761                return -EINVAL;
 762        }
 763        switch (rt298->sys_clk) {
 764        case 12288000:
 765        case 24576000:
 766                if (params_rate(params) != 48000) {
 767                        dev_err(codec->dev, "Sys_clk is not matched (%d %d)\n",
 768                                        params_rate(params), rt298->sys_clk);
 769                        return -EINVAL;
 770                }
 771                break;
 772        case 11289600:
 773        case 22579200:
 774                if (params_rate(params) != 44100) {
 775                        dev_err(codec->dev, "Sys_clk is not matched (%d %d)\n",
 776                                        params_rate(params), rt298->sys_clk);
 777                        return -EINVAL;
 778                }
 779                break;
 780        }
 781
 782        if (params_channels(params) <= 16) {
 783                /* bit 3:0 Number of Channel */
 784                val |= (params_channels(params) - 1);
 785        } else {
 786                dev_err(codec->dev, "Unsupported channels %d\n",
 787                                        params_channels(params));
 788                return -EINVAL;
 789        }
 790
 791        d_len_code = 0;
 792        switch (params_width(params)) {
 793        /* bit 6:4 Bits per Sample */
 794        case 16:
 795                d_len_code = 0;
 796                val |= (0x1 << 4);
 797                break;
 798        case 32:
 799                d_len_code = 2;
 800                val |= (0x4 << 4);
 801                break;
 802        case 20:
 803                d_len_code = 1;
 804                val |= (0x2 << 4);
 805                break;
 806        case 24:
 807                d_len_code = 2;
 808                val |= (0x3 << 4);
 809                break;
 810        case 8:
 811                d_len_code = 3;
 812                break;
 813        default:
 814                return -EINVAL;
 815        }
 816
 817        snd_soc_update_bits(codec,
 818                RT298_I2S_CTRL1, 0x0018, d_len_code << 3);
 819        dev_dbg(codec->dev, "format val = 0x%x\n", val);
 820
 821        snd_soc_update_bits(codec, RT298_DAC_FORMAT, 0x407f, val);
 822        snd_soc_update_bits(codec, RT298_ADC_FORMAT, 0x407f, val);
 823
 824        return 0;
 825}
 826
 827static int rt298_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
 828{
 829        struct snd_soc_codec *codec = dai->codec;
 830
 831        switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
 832        case SND_SOC_DAIFMT_CBM_CFM:
 833                snd_soc_update_bits(codec,
 834                        RT298_I2S_CTRL1, 0x800, 0x800);
 835                break;
 836        case SND_SOC_DAIFMT_CBS_CFS:
 837                snd_soc_update_bits(codec,
 838                        RT298_I2S_CTRL1, 0x800, 0x0);
 839                break;
 840        default:
 841                return -EINVAL;
 842        }
 843
 844        switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
 845        case SND_SOC_DAIFMT_I2S:
 846                snd_soc_update_bits(codec,
 847                        RT298_I2S_CTRL1, 0x300, 0x0);
 848                break;
 849        case SND_SOC_DAIFMT_LEFT_J:
 850                snd_soc_update_bits(codec,
 851                        RT298_I2S_CTRL1, 0x300, 0x1 << 8);
 852                break;
 853        case SND_SOC_DAIFMT_DSP_A:
 854                snd_soc_update_bits(codec,
 855                        RT298_I2S_CTRL1, 0x300, 0x2 << 8);
 856                break;
 857        case SND_SOC_DAIFMT_DSP_B:
 858                snd_soc_update_bits(codec,
 859                        RT298_I2S_CTRL1, 0x300, 0x3 << 8);
 860                break;
 861        default:
 862                return -EINVAL;
 863        }
 864        /* bit 15 Stream Type 0:PCM 1:Non-PCM */
 865        snd_soc_update_bits(codec, RT298_DAC_FORMAT, 0x8000, 0);
 866        snd_soc_update_bits(codec, RT298_ADC_FORMAT, 0x8000, 0);
 867
 868        return 0;
 869}
 870
 871static int rt298_set_dai_sysclk(struct snd_soc_dai *dai,
 872                                int clk_id, unsigned int freq, int dir)
 873{
 874        struct snd_soc_codec *codec = dai->codec;
 875        struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
 876
 877        dev_dbg(codec->dev, "%s freq=%d\n", __func__, freq);
 878
 879        if (RT298_SCLK_S_MCLK == clk_id) {
 880                snd_soc_update_bits(codec,
 881                        RT298_I2S_CTRL2, 0x0100, 0x0);
 882                snd_soc_update_bits(codec,
 883                        RT298_PLL_CTRL1, 0x20, 0x20);
 884        } else {
 885                snd_soc_update_bits(codec,
 886                        RT298_I2S_CTRL2, 0x0100, 0x0100);
 887                snd_soc_update_bits(codec,
 888                        RT298_PLL_CTRL1, 0x20, 0x0);
 889        }
 890
 891        switch (freq) {
 892        case 19200000:
 893                if (RT298_SCLK_S_MCLK == clk_id) {
 894                        dev_err(codec->dev, "Should not use MCLK\n");
 895                        return -EINVAL;
 896                }
 897                snd_soc_update_bits(codec,
 898                        RT298_I2S_CTRL2, 0x40, 0x40);
 899                break;
 900        case 24000000:
 901                if (RT298_SCLK_S_MCLK == clk_id) {
 902                        dev_err(codec->dev, "Should not use MCLK\n");
 903                        return -EINVAL;
 904                }
 905                snd_soc_update_bits(codec,
 906                        RT298_I2S_CTRL2, 0x40, 0x0);
 907                break;
 908        case 12288000:
 909        case 11289600:
 910                snd_soc_update_bits(codec,
 911                        RT298_I2S_CTRL2, 0x8, 0x0);
 912                snd_soc_update_bits(codec,
 913                        RT298_CLK_DIV, 0xfc1e, 0x0004);
 914                break;
 915        case 24576000:
 916        case 22579200:
 917                snd_soc_update_bits(codec,
 918                        RT298_I2S_CTRL2, 0x8, 0x8);
 919                snd_soc_update_bits(codec,
 920                        RT298_CLK_DIV, 0xfc1e, 0x5406);
 921                break;
 922        default:
 923                dev_err(codec->dev, "Unsupported system clock\n");
 924                return -EINVAL;
 925        }
 926
 927        rt298->sys_clk = freq;
 928        rt298->clk_id = clk_id;
 929
 930        return 0;
 931}
 932
 933static int rt298_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio)
 934{
 935        struct snd_soc_codec *codec = dai->codec;
 936
 937        dev_dbg(codec->dev, "%s ratio=%d\n", __func__, ratio);
 938        if (50 == ratio)
 939                snd_soc_update_bits(codec,
 940                        RT298_I2S_CTRL1, 0x1000, 0x1000);
 941        else
 942                snd_soc_update_bits(codec,
 943                        RT298_I2S_CTRL1, 0x1000, 0x0);
 944
 945
 946        return 0;
 947}
 948
 949static int rt298_set_bias_level(struct snd_soc_codec *codec,
 950                                 enum snd_soc_bias_level level)
 951{
 952        switch (level) {
 953        case SND_SOC_BIAS_PREPARE:
 954                if (SND_SOC_BIAS_STANDBY ==
 955                        snd_soc_codec_get_bias_level(codec)) {
 956                        snd_soc_write(codec,
 957                                RT298_SET_AUDIO_POWER, AC_PWRST_D0);
 958                        snd_soc_update_bits(codec, 0x0d, 0x200, 0x200);
 959                        snd_soc_update_bits(codec, 0x52, 0x80, 0x0);
 960                        mdelay(20);
 961                        snd_soc_update_bits(codec, 0x0d, 0x200, 0x0);
 962                        snd_soc_update_bits(codec, 0x52, 0x80, 0x80);
 963                }
 964                break;
 965
 966        case SND_SOC_BIAS_STANDBY:
 967                snd_soc_write(codec,
 968                        RT298_SET_AUDIO_POWER, AC_PWRST_D3);
 969                break;
 970
 971        default:
 972                break;
 973        }
 974
 975        return 0;
 976}
 977
 978static irqreturn_t rt298_irq(int irq, void *data)
 979{
 980        struct rt298_priv *rt298 = data;
 981        bool hp = false;
 982        bool mic = false;
 983        int ret, status = 0;
 984
 985        ret = rt298_jack_detect(rt298, &hp, &mic);
 986
 987        /* Clear IRQ */
 988        regmap_update_bits(rt298->regmap, RT298_IRQ_CTRL, 0x1, 0x1);
 989
 990        if (ret == 0) {
 991                if (hp == true)
 992                        status |= SND_JACK_HEADPHONE;
 993
 994                if (mic == true)
 995                        status |= SND_JACK_MICROPHONE;
 996
 997                snd_soc_jack_report(rt298->jack, status,
 998                        SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
 999
1000                pm_wakeup_event(&rt298->i2c->dev, 300);
1001        }
1002
1003        return IRQ_HANDLED;
1004}
1005
1006static int rt298_probe(struct snd_soc_codec *codec)
1007{
1008        struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
1009
1010        rt298->codec = codec;
1011
1012        if (rt298->i2c->irq) {
1013                regmap_update_bits(rt298->regmap,
1014                                        RT298_IRQ_CTRL, 0x2, 0x2);
1015
1016                INIT_DELAYED_WORK(&rt298->jack_detect_work,
1017                                        rt298_jack_detect_work);
1018                schedule_delayed_work(&rt298->jack_detect_work,
1019                                        msecs_to_jiffies(1250));
1020        }
1021
1022        return 0;
1023}
1024
1025static int rt298_remove(struct snd_soc_codec *codec)
1026{
1027        struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
1028
1029        cancel_delayed_work_sync(&rt298->jack_detect_work);
1030
1031        return 0;
1032}
1033
1034#ifdef CONFIG_PM
1035static int rt298_suspend(struct snd_soc_codec *codec)
1036{
1037        struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
1038
1039        rt298->is_hp_in = -1;
1040        regcache_cache_only(rt298->regmap, true);
1041        regcache_mark_dirty(rt298->regmap);
1042
1043        return 0;
1044}
1045
1046static int rt298_resume(struct snd_soc_codec *codec)
1047{
1048        struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
1049
1050        regcache_cache_only(rt298->regmap, false);
1051        rt298_index_sync(codec);
1052        regcache_sync(rt298->regmap);
1053
1054        return 0;
1055}
1056#else
1057#define rt298_suspend NULL
1058#define rt298_resume NULL
1059#endif
1060
1061#define RT298_STEREO_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000)
1062#define RT298_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
1063                        SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8)
1064
1065static const struct snd_soc_dai_ops rt298_aif_dai_ops = {
1066        .hw_params = rt298_hw_params,
1067        .set_fmt = rt298_set_dai_fmt,
1068        .set_sysclk = rt298_set_dai_sysclk,
1069        .set_bclk_ratio = rt298_set_bclk_ratio,
1070};
1071
1072static struct snd_soc_dai_driver rt298_dai[] = {
1073        {
1074                .name = "rt298-aif1",
1075                .id = RT298_AIF1,
1076                .playback = {
1077                        .stream_name = "AIF1 Playback",
1078                        .channels_min = 1,
1079                        .channels_max = 2,
1080                        .rates = RT298_STEREO_RATES,
1081                        .formats = RT298_FORMATS,
1082                },
1083                .capture = {
1084                        .stream_name = "AIF1 Capture",
1085                        .channels_min = 1,
1086                        .channels_max = 2,
1087                        .rates = RT298_STEREO_RATES,
1088                        .formats = RT298_FORMATS,
1089                },
1090                .ops = &rt298_aif_dai_ops,
1091                .symmetric_rates = 1,
1092        },
1093        {
1094                .name = "rt298-aif2",
1095                .id = RT298_AIF2,
1096                .playback = {
1097                        .stream_name = "AIF2 Playback",
1098                        .channels_min = 1,
1099                        .channels_max = 2,
1100                        .rates = RT298_STEREO_RATES,
1101                        .formats = RT298_FORMATS,
1102                },
1103                .capture = {
1104                        .stream_name = "AIF2 Capture",
1105                        .channels_min = 1,
1106                        .channels_max = 2,
1107                        .rates = RT298_STEREO_RATES,
1108                        .formats = RT298_FORMATS,
1109                },
1110                .ops = &rt298_aif_dai_ops,
1111                .symmetric_rates = 1,
1112        },
1113
1114};
1115
1116static struct snd_soc_codec_driver soc_codec_dev_rt298 = {
1117        .probe = rt298_probe,
1118        .remove = rt298_remove,
1119        .suspend = rt298_suspend,
1120        .resume = rt298_resume,
1121        .set_bias_level = rt298_set_bias_level,
1122        .idle_bias_off = true,
1123        .component_driver = {
1124                .controls               = rt298_snd_controls,
1125                .num_controls           = ARRAY_SIZE(rt298_snd_controls),
1126                .dapm_widgets           = rt298_dapm_widgets,
1127                .num_dapm_widgets       = ARRAY_SIZE(rt298_dapm_widgets),
1128                .dapm_routes            = rt298_dapm_routes,
1129                .num_dapm_routes        = ARRAY_SIZE(rt298_dapm_routes),
1130        },
1131};
1132
1133static const struct regmap_config rt298_regmap = {
1134        .reg_bits = 32,
1135        .val_bits = 32,
1136        .max_register = 0x02370100,
1137        .volatile_reg = rt298_volatile_register,
1138        .readable_reg = rt298_readable_register,
1139        .reg_write = rl6347a_hw_write,
1140        .reg_read = rl6347a_hw_read,
1141        .cache_type = REGCACHE_RBTREE,
1142        .reg_defaults = rt298_reg,
1143        .num_reg_defaults = ARRAY_SIZE(rt298_reg),
1144};
1145
1146static const struct i2c_device_id rt298_i2c_id[] = {
1147        {"rt298", 0},
1148        {}
1149};
1150MODULE_DEVICE_TABLE(i2c, rt298_i2c_id);
1151
1152static const struct acpi_device_id rt298_acpi_match[] = {
1153        { "INT343A", 0 },
1154        {},
1155};
1156MODULE_DEVICE_TABLE(acpi, rt298_acpi_match);
1157
1158static const struct dmi_system_id force_combo_jack_table[] = {
1159        {
1160                .ident = "Intel Broxton P",
1161                .matches = {
1162                        DMI_MATCH(DMI_SYS_VENDOR, "Intel Corp"),
1163                        DMI_MATCH(DMI_PRODUCT_NAME, "Broxton P")
1164                }
1165        },
1166        {
1167                .ident = "Intel Gemini Lake",
1168                .matches = {
1169                        DMI_MATCH(DMI_SYS_VENDOR, "Intel Corp"),
1170                        DMI_MATCH(DMI_PRODUCT_NAME, "Geminilake")
1171                }
1172        },
1173        { }
1174};
1175
1176static int rt298_i2c_probe(struct i2c_client *i2c,
1177                           const struct i2c_device_id *id)
1178{
1179        struct rt298_platform_data *pdata = dev_get_platdata(&i2c->dev);
1180        struct rt298_priv *rt298;
1181        struct device *dev = &i2c->dev;
1182        const struct acpi_device_id *acpiid;
1183        int i, ret;
1184
1185        rt298 = devm_kzalloc(&i2c->dev, sizeof(*rt298),
1186                                GFP_KERNEL);
1187        if (NULL == rt298)
1188                return -ENOMEM;
1189
1190        rt298->regmap = devm_regmap_init(&i2c->dev, NULL, i2c, &rt298_regmap);
1191        if (IS_ERR(rt298->regmap)) {
1192                ret = PTR_ERR(rt298->regmap);
1193                dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
1194                        ret);
1195                return ret;
1196        }
1197
1198        regmap_read(rt298->regmap,
1199                RT298_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID), &ret);
1200        if (ret != RT298_VENDOR_ID) {
1201                dev_err(&i2c->dev,
1202                        "Device with ID register %#x is not rt298\n", ret);
1203                return -ENODEV;
1204        }
1205
1206        rt298->index_cache = devm_kmemdup(&i2c->dev, rt298_index_def,
1207                                          sizeof(rt298_index_def), GFP_KERNEL);
1208        if (!rt298->index_cache)
1209                return -ENOMEM;
1210
1211        rt298->index_cache_size = INDEX_CACHE_SIZE;
1212        rt298->i2c = i2c;
1213        i2c_set_clientdata(i2c, rt298);
1214
1215        /* restore codec default */
1216        for (i = 0; i < INDEX_CACHE_SIZE; i++)
1217                regmap_write(rt298->regmap, rt298->index_cache[i].reg,
1218                                rt298->index_cache[i].def);
1219        for (i = 0; i < ARRAY_SIZE(rt298_reg); i++)
1220                regmap_write(rt298->regmap, rt298_reg[i].reg,
1221                                rt298_reg[i].def);
1222
1223        if (pdata)
1224                rt298->pdata = *pdata;
1225
1226        /* enable jack combo mode on supported devices */
1227        acpiid = acpi_match_device(dev->driver->acpi_match_table, dev);
1228        if (acpiid && acpiid->driver_data) {
1229                rt298->pdata = *(struct rt298_platform_data *)
1230                                acpiid->driver_data;
1231        }
1232
1233        if (dmi_check_system(force_combo_jack_table)) {
1234                rt298->pdata.cbj_en = true;
1235                rt298->pdata.gpio2_en = false;
1236        }
1237
1238        /* VREF Charging */
1239        regmap_update_bits(rt298->regmap, 0x04, 0x80, 0x80);
1240        regmap_update_bits(rt298->regmap, 0x1b, 0x860, 0x860);
1241        /* Vref2 */
1242        regmap_update_bits(rt298->regmap, 0x08, 0x20, 0x20);
1243
1244        regmap_write(rt298->regmap, RT298_SET_AUDIO_POWER, AC_PWRST_D3);
1245
1246        for (i = 0; i < RT298_POWER_REG_LEN; i++)
1247                regmap_write(rt298->regmap,
1248                        RT298_SET_POWER(rt298_support_power_controls[i]),
1249                        AC_PWRST_D1);
1250
1251        if (!rt298->pdata.cbj_en) {
1252                regmap_write(rt298->regmap, RT298_CBJ_CTRL2, 0x0000);
1253                regmap_write(rt298->regmap, RT298_MIC1_DET_CTRL, 0x0816);
1254                regmap_update_bits(rt298->regmap,
1255                                        RT298_CBJ_CTRL1, 0xf000, 0xb000);
1256        } else {
1257                regmap_update_bits(rt298->regmap,
1258                                        RT298_CBJ_CTRL1, 0xf000, 0x5000);
1259        }
1260
1261        mdelay(10);
1262
1263        if (!rt298->pdata.gpio2_en)
1264                regmap_write(rt298->regmap, RT298_SET_DMIC2_DEFAULT, 0x40);
1265        else
1266                regmap_write(rt298->regmap, RT298_SET_DMIC2_DEFAULT, 0);
1267
1268        mdelay(10);
1269
1270        regmap_write(rt298->regmap, RT298_MISC_CTRL1, 0x0000);
1271        regmap_update_bits(rt298->regmap,
1272                                RT298_WIND_FILTER_CTRL, 0x0082, 0x0082);
1273
1274        regmap_write(rt298->regmap, RT298_UNSOLICITED_INLINE_CMD, 0x81);
1275        regmap_write(rt298->regmap, RT298_UNSOLICITED_HP_OUT, 0x82);
1276        regmap_write(rt298->regmap, RT298_UNSOLICITED_MIC1, 0x84);
1277        regmap_update_bits(rt298->regmap, RT298_IRQ_FLAG_CTRL, 0x2, 0x2);
1278
1279        rt298->is_hp_in = -1;
1280
1281        if (rt298->i2c->irq) {
1282                ret = request_threaded_irq(rt298->i2c->irq, NULL, rt298_irq,
1283                        IRQF_TRIGGER_HIGH | IRQF_ONESHOT, "rt298", rt298);
1284                if (ret != 0) {
1285                        dev_err(&i2c->dev,
1286                                "Failed to reguest IRQ: %d\n", ret);
1287                        return ret;
1288                }
1289        }
1290
1291        ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_rt298,
1292                                     rt298_dai, ARRAY_SIZE(rt298_dai));
1293
1294        return ret;
1295}
1296
1297static int rt298_i2c_remove(struct i2c_client *i2c)
1298{
1299        struct rt298_priv *rt298 = i2c_get_clientdata(i2c);
1300
1301        if (i2c->irq)
1302                free_irq(i2c->irq, rt298);
1303        snd_soc_unregister_codec(&i2c->dev);
1304
1305        return 0;
1306}
1307
1308
1309static struct i2c_driver rt298_i2c_driver = {
1310        .driver = {
1311                   .name = "rt298",
1312                   .acpi_match_table = ACPI_PTR(rt298_acpi_match),
1313                   },
1314        .probe = rt298_i2c_probe,
1315        .remove = rt298_i2c_remove,
1316        .id_table = rt298_i2c_id,
1317};
1318
1319module_i2c_driver(rt298_i2c_driver);
1320
1321MODULE_DESCRIPTION("ASoC RT298 driver");
1322MODULE_AUTHOR("Bard Liao <bardliao@realtek.com>");
1323MODULE_LICENSE("GPL");
1324